{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "65628",
    "entityType": "User",
    "nonce": "0xb5e09666d144c0c429d3c125c6c42da9582163c51e3d2fb4a0bca9c768e1f6cf",
    "signature": "0x4c939cc68d67f647b23d8e2f8310d2aab414b8a862c9455ea2372575b360714c3a1a2980f67e4a94a1e3d49200a264807b3c61309ee4d71c7ba3d797527024341c",
    "signer": "0x647204eDe2dcB8e40793BB48e4bb4Be7ab706de5",
    "userId": "580720856"
  }
}